Ambarella Inc
AMBA- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001280263
In the last 90 days, Ambarella Inc insiders filed 0 open-market purchases and 8 sales; 341 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
13F holders, Q3 2021
Institutional positions in Ambarella Inc as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 281
- +24 vs. Q2 2021
- Shares held
- 28.5M
- +1.14M (+4.2%) vs. Q2 2021
- Total value
- $4.44B
- +$1.52B (+51.9%) vs. Q2 2021
- New holders
- 53
- 72 more added
- Sold out
- 29
- 121 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMBA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 341 | $3.13B |
| Q1 2026 | 307 | $1.88B |
| Q4 2025 | 324 | $2.62B |
| Q3 2025 | 329 | $2.93B |
| Q2 2025 | 305 | $2.32B |
| Q1 2025 | 298 | $1.77B |
| Q4 2024 | 299 | $2.46B |
| Q3 2024 | 265 | $1.86B |
| Q2 2024 | 262 | $1.83B |
| Q1 2024 | 269 | $1.69B |
| Q4 2023 | 258 | $2.02B |
| Q3 2023 | 254 | $1.64B |
| Q2 2023 | 258 | $2.58B |
| Q1 2023 | 273 | $2.35B |
| Q4 2022 | 265 | $2.58B |
| Q3 2022 | 244 | $1.70B |
| Q2 2022 | 267 | $1.92B |
| Q1 2022 | 293 | $3.01B |
| Q4 2021 | 328 | $5.72B |
| Q3 2021 | 281 | $4.44B |
| Q2 2021 | 260 | $2.92B |
| Q1 2021 | 266 | $2.78B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Ambarella Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nomura Holdings Inc | 3,572 | $550.0K | 0.00% | +3,572 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,657 | $570.0K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 3,788 | $590.0K | 0.33% | −188−4.7% | Reduced |
| Gyon Technologies Capital Management, LP | 3,957 | $616.0K | 0.17% | −7,673−66.0% | Reduced |
| Azzad Asset Management Inc | 4,028 | $627.4K | 0.09% | −3,452−46.1% | Reduced |
| AE Wealth Management LLC | 4,104 | $639.0K | 0.01% | −1,971−32.4% | Reduced |
| The PNC Financial Services Group, Inc. | 4,163 | $648.0K | 0.00% | −981−19.1% | Reduced |
| Gamco Investors, Inc. Et Al | 4,424 | $689.0K | 0.01% | −343−7.2% | Reduced |
| ProShare Advisors LLC | 4,481 | $698.0K | 0.00% | −4,586−50.6% | Reduced |
| Two Sigma Securities, LLC | 4,616 | $719.0K | 0.15% | +4,616 | New |
| Glaxis Capital Management, LLC | 5,000 | $779.0K | 1.65% | −8,000−61.5% | Reduced |
| Pearl River Capital, LLC | 5,104 | $795.0K | 0.22% | +5,104 | New |
| Public Employees Retirement Association of Colorado | 5,587 | $870.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 5,901 | $919.0K | 0.00% | +1,419+31.7% | Added |
| American Century Companies Inc | 6,007 | $936.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 6,219 | $969.0K | 0.01% | −381−5.8% | Reduced |
| Portolan Capital Management, LLC | 6,763 | $1.05M | 0.08% | −3,752−35.7% | Reduced |
| White Pine Capital LLC | 6,860 | $1.07M | 0.33% | −29−0.4% | Reduced |
| Algert Global LLC | 6,942 | $1.08M | 0.14% | +6,942 | New |
| Cresset Asset Management, LLC | 7,231 | $1.13M | 0.02% | +1,546+27.2% | Added |
| Redmond Asset Management, LLC | 7,256 | $1.13M | 0.35% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 7,378 | $1.15M | 0.00% | −315−4.1% | Reduced |
| Engineers Gate Manager LP | 7,679 | $1.20M | 0.07% | −9,151−54.4% | Reduced |
| Leonteq Securities AG | 7,874 | $1.23M | 0.07% | −1,966−20.0% | Reduced |
| Hillsdale Investment Management Inc. | 7,900 | $1.23M | 0.09% | +7,900 | New |
| HRT Financial LP | 7,910 | $1.23M | 0.01% | −14,935−65.4% | Reduced |
| O'Neil Global Advisors, Inc. | 8,620 | $1.34M | 1.03% | +8,620 | New |
| Handelsbanken Fonder AB | 8,644 | $1.35M | 0.01% | +600+7.5% | Added |
| Janney Montgomery Scott LLC | 8,815 | $1.37M | 0.01% | +3,640+70.3% | Added |
| Alpha DNA Investment Management LLC | 8,857 | $1.38M | 0.97% | −4,639−34.4% | Reduced |
| Metropolitan Life Insurance Co | 9,062 | $1.41M | 0.02% | −307−3.3% | Reduced |
| Cna Financial Corp | 9,160 | $1.43M | 0.39% | +1,844+25.2% | Added |
| Jane Street Group, LLC | 9,195 | $1.43M | 0.00% | −8,527−48.1% | Reduced |
| Quantbot Technologies LP | 9,263 | $1.44M | 0.11% | +9,263 | New |
| L & S Advisors Inc | 9,796 | $1.53M | 0.16% | +9,796 | New |
| Los Angeles Capital Management LLC | 9,815 | $1.53M | 0.01% | −214−2.1% | Reduced |
| Arizona State Retirement System | 9,878 | $1.54M | 0.01% | +317+3.3% | Added |
| EAM Global Investors LLC | 10,168 | $1.58M | 0.37% | +10,168 | New |
| Comerica Bank | 9,405 | $1.63M | 0.01% | −941−9.1% | Reduced |
| Quattro Financial Advisors LLC | 10,000 | $1.71M | 0.46% | 00.0% | Unchanged |
| MetLife Investment Management | 12,092 | $1.88M | 0.02% | −664−5.2% | Reduced |
| STRS Ohio | 12,600 | $1.96M | 0.01% | −2,400−16.0% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 12,753 | $1.99M | 0.00% | −45,100−78.0% | Reduced |
| BIT Capital GmbH | 12,825 | $2.00M | 0.12% | +12,825 | New |
| Cutler Group LP | 12,853 | $2.00M | 0.15% | +6,914+116.4% | Added |
| Arrowstreet Capital, Limited Partnership | 13,300 | $2.07M | 0.00% | −7,900−37.3% | Reduced |
| Voya Investment Management LLC | 13,592 | $2.12M | 0.00% | −191−1.4% | Reduced |
| State Board of Administration of Florida Retirement System | 13,827 | $2.15M | 0.00% | +380+2.8% | Added |
| First National Bank of Omaha | 13,897 | $2.16M | 0.11% | −5,441−28.1% | Reduced |
| Occudo Quantitative Strategies LP | 14,598 | $2.27M | 0.27% | −7,479−33.9% | Reduced |
| Price T Rowe Associates Inc | 15,361 | $2.39M | 0.00% | +804+5.5% | Added |
| Envestnet Asset Management Inc | 15,411 | $2.40M | 0.00% | −2,534−14.1% | Reduced |
| Zweig-DiMenna Associates LLC | 15,800 | $2.46M | 0.17% | +15,800 | New |
| Capital Fund Management S.A. | 15,950 | $2.48M | 0.07% | +15,950 | New |
| Gilder Gagnon Howe & Co LLC | 15,985 | $2.49M | 0.01% | −2,725−14.6% | Reduced |
| Stifel Financial Corp | 16,696 | $2.60M | 0.00% | −3,307−16.5% | Reduced |
| Quantitative Investment Management, LLC | 16,823 | $2.62M | 0.24% | +16,823 | New |
| LPL Financial LLC | 17,063 | $2.66M | 0.00% | +8,532+100.0% | Added |
| Manufacturers Life Insurance Company, The | 17,878 | $2.78M | 0.00% | −1,639−8.4% | Reduced |
| EAM Investors, LLC | 18,494 | $2.88M | 0.49% | +18,494 | New |
| American International Group, Inc. | 19,131 | $2.98M | 0.02% | −456−2.3% | Reduced |
| BNP Paribas Arbitrage, SA | 19,509 | $3.04M | 0.01% | +2,092+12.0% | Added |
| Advisory Research Inc | 19,553 | $3.04M | 0.20% | +7,845+67.0% | Added |
| Granite Point Capital Management, L.P. | 20,000 | $3.12M | 1.21% | +1,000+5.3% | Added |
| McDonald Partners LLC | 20,246 | $3.15M | 0.74% | +75+0.4% | Added |
| PEAK6 Investments LLC | 20,635 | $3.21M | 0.06% | +3,824+22.7% | Added |
| Citigroup Inc | 21,809 | $3.40M | 0.00% | −6,350−22.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 22,760 | $3.55M | 0.02% | +3,508+18.2% | Added |
| Ardsley Advisory Partners LP | 24,000 | $3.74M | 0.78% | +1,500+6.7% | Added |
| Employees Retirement System of Texas | 24,000 | $3.74M | 0.04% | +11,000+84.6% | Added |
| Barclays PLC | 24,741 | $3.85M | 0.00% | +10,513+73.9% | Added |
| Weiss Multi-Strategy Advisers LLC | 25,000 | $3.89M | 0.08% | −31,156−55.5% | Reduced |
| Advisor Group Holdings, Inc. | 25,500 | $3.97M | 0.01% | +13,068+105.1% | Added |
| AQR Capital Management LLC | 25,843 | $4.03M | 0.01% | +9,909+62.2% | Added |
| Caption Management, LLC | 27,000 | $4.21M | 0.28% | +27,000 | New |
| State of New Jersey Common Pension Fund D | 28,322 | $4.41M | 0.01% | +736+2.7% | Added |
| Natixis Advisors, L.P. | 28,806 | $4.49M | 0.02% | +1,807+6.7% | Added |
| Sandler Capital Management | 30,000 | $4.67M | 0.54% | +30,000 | New |
| Group One Trading, L.P. | 30,088 | $4.69M | 0.10% | +5,176+20.8% | Added |
| PDT Partners, LLC | 30,700 | $4.78M | 0.34% | −25,062−44.9% | Reduced |
| UBS Group AG | 31,010 | $4.83M | 0.00% | +4,251+15.9% | Added |
| UBS Asset Management Americas Inc | 31,669 | $4.93M | 0.00% | −3,549−10.1% | Reduced |
| Oak Associates, Ltd | 32,110 | $5.00M | 0.28% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 32,374 | $5.04M | 0.01% | −6,606−16.9% | Reduced |
| Parallax Volatility Advisers, L.P. | 33,503 | $5.22M | 0.06% | +33,503 | New |
| Granite Investment Partners, LLC | 33,747 | $5.26M | 0.16% | −10,254−23.3% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 34,445 | $5.36M | 0.01% | −10,633−23.6% | Reduced |
| Lisanti Capital Growth, LLC | 34,915 | $5.44M | 0.80% | +34,915 | New |
| P.A.W. Capital Corp | 35,000 | $5.45M | 4.85% | −13,000−27.1% | Reduced |
| Rafferty Asset Management, LLC | 35,550 | $5.54M | 0.04% | −5,864−14.2% | Reduced |
| Rhumbline Advisers | 36,297 | $5.65M | 0.01% | +490+1.4% | Added |
| Citadel Advisors LLC | 36,634 | $5.71M | 0.01% | −107,792−74.6% | Reduced |
| Point72 Asset Management, L.P. | 37,290 | $5.81M | 0.03% | +37,290 | New |
| SWS Partners | 37,519 | $5.84M | 3.62% | +8,001+27.1% | Added |
| New York State Common Retirement Fund | 39,564 | $6.16M | 0.01% | +8,782+28.5% | Added |
| Man Group plc | 39,572 | $6.16M | 0.02% | −7,819−16.5% | Reduced |
| Granahan Investment Management Inc | 39,748 | $6.19M | 0.12% | +39,748 | New |
| Cubist Systematic Strategies, LLC | 40,915 | $6.37M | 0.08% | −1,947−4.5% | Reduced |
| Susquehanna International Group, LLP | 41,324 | $6.44M | 0.01% | −1,788−4.1% | Reduced |
| Natixis | 41,952 | $6.53M | 0.02% | −3,074−6.8% | Reduced |